:root {
  --ink: #17212b;
  --muted: #637083;
  --line: #d8dee7;
  --panel: #ffffff;
  --surface: #f5f7f9;
  --accent: #0b6f6a;
  --accent-strong: #075753;
  --warn: #b4561d;
  --done: #31745b;
  --current: #1c66a5;
  --shadow: 0 18px 48px rgba(23, 33, 43, 0.12);
  color-scheme: light;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(180deg, rgba(245, 247, 249, 0.84), rgba(245, 247, 249, 0.96)),
    repeating-linear-gradient(90deg, #edf1f3 0 1px, transparent 1px 80px);
  color: var(--ink);
}

button,
input,
select {
  font: inherit;
}

a {
  color: inherit;
}

.topbar {
  align-items: center;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 24px;
  justify-content: center;
  padding: 22px clamp(18px, 5vw, 64px);
  position: sticky;
  text-align: center;
  top: 0;
  z-index: 10;
}

h1,
h2,
h3,
p {
  margin: 0;
}

h1 {
  font-size: clamp(1.45rem, 2vw, 2rem);
  letter-spacing: 0;
}

h2 {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  letter-spacing: 0;
}

h3 {
  font-size: 1rem;
  letter-spacing: 0;
}

.eyebrow {
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.muted {
  color: var(--muted);
  line-height: 1.45;
}

.tabs {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  overflow-x: auto;
  padding: 4px;
  width: min(100%, 360px);
}

.customer-tabs {
  margin: 0 auto 22px;
}

.admin-tabs {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  width: min(100%, 820px);
}

.admin-toolbar {
  align-items: center;
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr minmax(520px, 820px) 1fr;
  margin: 0 auto 22px;
  max-width: 1180px;
}

.admin-actions {
  display: flex;
  justify-content: flex-end;
}

#new-booking-link[hidden] {
  display: none;
}

.tab {
  background: transparent;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  cursor: pointer;
  font-weight: 800;
  min-height: 40px;
  padding: 8px 12px;
  white-space: nowrap;
}

.tab.is-active {
  background: var(--panel);
  box-shadow: 0 2px 8px rgba(23, 33, 43, 0.1);
  color: var(--ink);
  font-weight: 700;
}

main {
  padding: clamp(18px, 5vw, 64px);
}

.welcome-panel {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.5;
  margin: 0 auto;
  max-width: 1180px;
  text-align: center;
}

.welcome-panel[hidden] {
  display: none;
}

.panel {
  display: none;
  margin: 0 auto;
  max-width: 1180px;
}

.panel.is-visible {
  display: block;
}

.section-heading {
  align-items: start;
  display: flex;
  gap: 20px;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-heading > .muted {
  max-width: 440px;
}

.booking-card,
.rego-search,
.form-grid,
.lookup,
.vehicle-detail,
.vehicle-list {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.form-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  padding: 22px;
}

.booking-flow {
  display: grid;
  gap: 18px;
}

.rego-search {
  align-items: end;
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(220px, 1fr) auto;
  padding: 22px;
}

.booking-card {
  display: grid;
  gap: 20px;
  padding: 22px;
}

.booking-card[hidden],
.booking-step[hidden] {
  display: none;
}

.vehicle-preview {
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  gap: 14px;
  justify-content: space-between;
  min-height: 86px;
  padding: 14px;
}

.vehicle-preview strong {
  display: block;
  font-size: 1.15rem;
}

.date-grid,
.slot-grid {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.date-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.slot-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.slot-section[hidden] {
  display: none;
}

.date-option,
.slot-option {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  cursor: pointer;
  display: grid;
  gap: 4px;
  min-height: 78px;
  padding: 12px;
  text-align: left;
}

.date-option {
  min-height: 86px;
}

.date-option:hover,
.date-option.is-selected,
.slot-option:hover,
.slot-option.is-selected {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 2px rgba(11, 111, 106, 0.12);
}

.date-option strong,
.slot-option strong {
  color: var(--ink);
}

.date-option span,
.slot-option span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.customer-fields {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  margin-top: 16px;
}

.step-actions {
  align-items: center;
  justify-content: space-between;
  margin: 0 0 16px;
}

.step-actions .primary-action {
  margin-left: auto;
}

.back-action {
  justify-self: start;
}

.form-divider {
  border-top: 1px solid var(--line);
  margin: 2px 0;
}

.form-divider[hidden] {
  display: none;
}

.lookup {
  align-items: end;
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(220px, 1fr) auto;
  padding: 22px;
}

label {
  color: var(--muted);
  display: grid;
  font-size: 0.84rem;
  font-weight: 700;
  gap: 7px;
}

input {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  min-height: 42px;
  padding: 9px 11px;
  text-transform: none;
}

select {
  appearance: none;
  background:
    linear-gradient(45deg, transparent 50%, var(--muted) 50%) right 15px center / 7px 7px no-repeat,
    linear-gradient(135deg, var(--muted) 50%, transparent 50%) right 10px center / 7px 7px no-repeat,
    #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--ink);
  min-height: 42px;
  padding: 9px 32px 9px 11px;
}

input[name="rego"] {
  text-transform: uppercase;
}

input:focus,
select:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(11, 111, 106, 0.16);
}

.primary-action,
.secondary-action,
.danger-action {
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 800;
  min-height: 42px;
  padding: 10px 14px;
}

.link-action {
  align-items: center;
  display: inline-flex;
  text-decoration: none;
}

.primary-action {
  align-self: end;
  background: var(--accent);
  color: white;
}

.primary-action:hover {
  background: var(--accent-strong);
}

.secondary-action {
  background: #e8eef2;
  color: var(--ink);
}

.open-slot-action {
  background: #d9f0e5;
  color: #176143;
}

.danger-action {
  background: #f8e8dc;
  color: var(--warn);
}

.notice {
  color: var(--done);
  font-weight: 800;
  min-height: 24px;
  padding-top: 14px;
}

.result-empty {
  color: var(--muted);
  padding: 28px;
}

.tracking-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin-top: 18px;
  padding: 22px;
}

.success-card {
  background: var(--panel);
  border: 1px solid rgba(49, 116, 91, 0.28);
  border-radius: 8px;
  box-shadow: var(--shadow);
  color: var(--ink);
  display: grid;
  font-weight: 400;
  gap: 16px;
  margin-top: 18px;
  padding: 22px;
}

.summary-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 18px 0;
}

.summary-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 76px;
  padding: 12px;
}

.summary-item span {
  color: var(--muted);
  display: block;
  font-size: 0.78rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.summary-item.current-stage-summary {
  background: #e7f1ff;
  border-color: #8bbff4;
  box-shadow: inset 4px 0 0 var(--current);
  color: #123f70;
  font-weight: 900;
}

.summary-item.current-stage-summary span {
  color: #1c66a5;
}

.progress {
  display: grid;
  gap: 12px;
}

.stage {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 12px;
  grid-template-columns: 42px 1fr auto;
  min-height: 64px;
  padding: 10px 12px;
}

.stage-index {
  align-items: center;
  background: var(--surface);
  border-radius: 999px;
  color: var(--muted);
  display: flex;
  font-weight: 900;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.stage.done {
  border-color: rgba(49, 116, 91, 0.36);
}

.stage.done .stage-index {
  background: var(--done);
  color: white;
}

.stage.current {
  border-color: rgba(28, 102, 165, 0.42);
  box-shadow: inset 4px 0 0 var(--current);
}

.stage.current .stage-index {
  background: var(--current);
  color: white;
}

.stage-status {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.staff-layout {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(300px, 0.85fr) minmax(0, 1.35fr);
}

.admin-layout {
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(300px, 0.82fr) minmax(0, 1.35fr);
  margin: 0 auto;
  max-width: 1180px;
}

.admin-layout[hidden] {
  display: none;
}

.admin-list-header {
  align-items: center;
  display: flex;
  gap: 10px;
  justify-content: space-between;
  margin-bottom: 10px;
}

.admin-list-header h2 {
  font-size: 1.05rem;
}

.admin-list-pane {
  min-width: 0;
}

.admin-list-title-row {
  align-items: center;
  display: flex;
  gap: 8px;
}

.vehicle-list {
  overflow: hidden;
}

.compact-list {
  min-height: 260px;
}

.compact-empty {
  padding: 18px;
}

.slot-manager {
  margin: 0 auto;
  max-width: 1180px;
}

.slot-manager[hidden] {
  display: none;
}

.slot-date-grid {
  grid-template-columns: repeat(7, minmax(76px, 1fr));
  margin-bottom: 18px;
}

.slot-date-grid .date-option {
  justify-items: center;
  min-height: 64px;
  padding: 9px 8px;
  text-align: center;
}

.slot-date-grid .date-option strong {
  font-size: 0.95rem;
}

.slot-list {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.slot-row {
  align-items: center;
  border-bottom: 1px solid var(--line);
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr auto;
  padding: 15px 16px;
}

.slot-row:last-child {
  border-bottom: 0;
}

.slot-row.is-booked {
  background: #eaf4ff;
}

.slot-row.is-closed {
  background: #f1f0f7;
}

.slot-state {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
}

.slot-time-line {
  align-items: center;
  display: flex;
  gap: 10px;
}

.slot-status-text {
  align-items: center;
  color: var(--muted);
  display: inline-flex;
  font-size: 0.82rem;
  font-weight: 800;
  gap: 5px;
}

.slot-status-text span {
  background: var(--muted);
  border-radius: 999px;
  display: inline-block;
  height: 7px;
  width: 7px;
}

.slot-status-text.active {
  color: var(--current);
}

.slot-status-text.active span {
  background: var(--current);
}

.slot-status-text.done {
  color: var(--done);
}

.slot-status-text.done span {
  background: var(--done);
}

.vehicle-row {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  cursor: pointer;
  display: grid;
  gap: 6px;
  grid-template-columns: minmax(0, 1fr) auto;
  padding: 15px 16px;
  text-align: left;
  width: 100%;
}

.vehicle-row > strong,
.vehicle-row > .row-meta,
.vehicle-row > .badge {
  grid-column: 1;
}

.vehicle-row:last-child {
  border-bottom: 0;
}

.vehicle-row.is-selected {
  background: #eaf5f3;
}

.vehicle-row strong {
  font-size: 1rem;
}

.row-chevron {
  align-self: center;
  color: var(--muted);
  font-size: 1.45rem;
  font-weight: 800;
  grid-column: 2;
  grid-row: 1 / span 3;
}

.row-meta {
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  line-height: 1.35;
}

.badge {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  display: inline-flex;
  font-size: 0.76rem;
  font-weight: 800;
  padding: 5px 9px;
  width: fit-content;
}

.badge.active {
  background: #e8f3f2;
  border-color: rgba(11, 111, 106, 0.28);
  color: var(--accent-strong);
}

.badge.done {
  background: #e7f3ec;
  border-color: rgba(49, 116, 91, 0.28);
  color: var(--done);
}

.vehicle-detail {
  min-height: 420px;
  padding: 22px;
}

.admin-detail {
  position: sticky;
  top: 110px;
}

.admin-detail-back {
  display: none;
  margin-bottom: 14px;
}

.detail-header {
  align-items: start;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  margin-bottom: 18px;
}

.detail-actions {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
}

.detail-actions button {
  width: 100%;
}

.estimate-editor {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(160px, 1fr) auto;
  margin-top: 18px;
}

.estimate-editor .secondary-action {
  align-self: stretch;
}

.toolbar {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: end;
}

.toggle {
  align-items: center;
  display: flex;
  flex-direction: row;
  gap: 8px;
  min-height: 42px;
}

.toggle input {
  min-height: auto;
}

@media (max-width: 900px) {
  .topbar,
  .section-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .tabs {
    width: 100%;
  }

  .form-grid,
  .rego-search,
  .date-grid,
  .slot-grid,
  .customer-fields,
  .summary-grid,
  .staff-layout,
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .slot-date-grid {
    grid-template-columns: repeat(7, minmax(76px, 1fr));
    overflow-x: auto;
  }

  .lookup,
  .estimate-editor,
  .detail-actions {
    grid-template-columns: 1fr;
  }

  .admin-toolbar {
    grid-template-columns: 1fr;
  }

  .admin-toolbar > div:first-child {
    display: none;
  }

  .admin-actions {
    justify-content: stretch;
  }

  .admin-actions .link-action {
    justify-content: center;
    width: 100%;
  }

  .admin-layout {
    display: grid;
    grid-template-columns: 100% 100%;
    overflow: hidden;
  }

  .admin-list-pane,
  .admin-detail {
    transition: transform 220ms ease;
  }

  .admin-detail {
    grid-column: 2;
    grid-row: 1;
    transform: translateX(0);
  }

  .admin-list-pane {
    grid-column: 1;
    grid-row: 1;
    transform: translateX(0);
  }

  .admin-layout.is-detail-open .admin-list-pane,
  .admin-layout.is-detail-open .admin-detail {
    transform: translateX(-100%);
  }

  .admin-detail-back {
    display: inline-flex;
  }

  .admin-detail {
    position: static;
  }
}

@media (max-width: 560px) {
  main,
  .topbar {
    padding-left: 14px;
    padding-right: 14px;
  }

  .admin-tabs {
    grid-template-columns: repeat(4, minmax(132px, 1fr));
  }

  .slot-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .slot-state {
    justify-content: flex-end;
  }

  .slot-state button {
    width: auto;
  }

  .stage {
    grid-template-columns: 38px 1fr;
  }

  .stage-status {
    grid-column: 2;
  }
}